class_docstr: Abstract base class for acquisition function.
class_docstr_tok: ["Abstract","base","class","for","acquisition","function","."]
code: def __init__(self) -> None:
      self._model: AbstractModel | None = None
  
file_path: SMAC3/smac/acquisition/function/abstract_acquisition_function.py
imports: from __future__ import annotations
  from abc import abstractmethod
  from typing import Any
  import numpy
  from ConfigSpace import Configuration
  from smac.model.abstract_model import AbstractModel
  from smac.utils.configspace import convert_configurations_to_array
  from smac.utils.logging import get_logger
label_desc: Use image node_id 1 to create a new AbstractAcquisitionFunction object  with example: obj = AbstractAcquisitionFunction()